Dell Inspiron 3521 3531 3537 3543 5521 5537 3721 3737 5737 3421 3437 5421 5437 3541 3542 Latitude E3440 3540 Vostro 2421 2521 48W Battery (XCMRD)

The Dell XCMRD Laptop Battery is a premium 4-cell replacement battery widely compatible with Dell Inspiron 3521, 3537, 3542, 3543, 5521, 5537, Latitude 3440/3540, and Vostro 2421/2521 laptop series. Featuring a stable 14.8V layout and high-quality cells, it delivers reliable power, longer battery runtime, and efficient energy management for professional, remote learning, and daily workloads. Advanced safety circuitry protects your device against overcharging, overheating, over-current, and short circuits, ensuring completely safe operations. Designed to exact OEM matching specifications, the XCMRD replacement battery seamlessly restores your laptop’s run times, portability, and native performance, making it the perfect upgrade for an aging or flat internal battery.

Features

• Premium lithium-ion cells for reliable and long-lasting performance.

• High-density cell engineering provides maximum energy capacity within a compact 4-cell form factor.

• Built-in protection against overcharging, overheating, over-current, and short circuits.

• Stable power delivery for business applications, office work, online learning, and everyday computing.

• Direct-fit replacement engineered to meet or exceed original Dell OEM specifications.

• Supports hundreds of charge cycles for dependable long-term performance.

• Easy, external clip-in installation with a precise fit for compatible Dell chassis structures.

Key Specifications

• Battery Model: XCMRD

• Battery Type: Lithium-Ion (Li-Ion)

• Cells: 4-Cell

• Voltage: 14.8V (Compatible with 14.4V)

• Capacity: 40Wh / 48Wh (2700mAh – 3300mAh)

• Color: Black

• Condition: Brand New Replacement Battery

• Rechargeable: Yes

Compatible Laptop Models

• Dell Inspiron 14 Series: 14 (3421), 14R (5421), 14 (3437), 14R (5437)

• Dell Inspiron 15 Series: 15 (3521), 15 (3531), 15 (3537), 15 (3541), 15 (3542), 15 (3543), 15R (5521), 15R (5537)

• Dell Inspiron 17 Series: 17 (3721), 17 (3737), 17R (5721), 17R (5737)

• Dell Latitude Series: Latitude 14 3000 (3440), Latitude 15 3000 (3540), Latitude E3440, Latitude E3540

• Dell Vostro Series: Vostro 2421, Vostro 2521

Compatible Part Numbers

• XCMRD

• 0XCMRD

• XRDW2

• 0XRDW2

• FW1MN

• N121Y

• PVJ7J

• V8VNT

• T1G4M

• YGMTN

• G361H

• G019Y

• 4WY7C

• VR7HM

• MK1R0

• 312-1387

• 312-1390

• 312-1433

• 451-12107

• 451-12108